transformer vs primary winding

transformer and primary winding both are nouns.

Word	Noun	Adjective	Verb	Adverb
transformer	Yes	No	No	No
primary winding	Yes	No	No	No

transformer (noun)	primary winding (noun)
an electrical device by which alternating current of one voltage is changed to another voltage	coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit